Show WHY EYESIGHT FAILS INFERIOR artificial LIGHT FRE THE CAUSE s ants a of f the pa put t one and all have so serpoui r 1 out def detects ts acetyl acetylene end gas CM with its if cler clear U yet soft flame cannot hurt the eyes byci chicago june sono ono O no one can go into our schools or meet a g group r of 0 children on the street w without lo 10 b noticing how bow large a number ot of them wear spectacles the proportion seems to increase yearly and there are arc many more he bo ought to near car glossies glasses the experience ot of one teacher might bo be duplicated by the score she knew alice was inattentive and she ehe thought she was unusually stupid she said so eo to the principal and sent a note to the mother requesting that the child be helped at home if she wished her to keep up with her class one day after a blackboard explanation the teacher called upon the child and found that she had not seen what bad been written she was kept after school and by dint of much sympathetic questioning miss C found that alice had never been able to see what was put on the board and that her head bead had ached so often and so hard that she frequently failed to hear bear what was said such a condition may be caused by lack of proper food but in our american homes it Is usually due to the poor quality of the artificial light the yellow insufficient light ot of the ordinary kerosene lamp with its smoky chimney to is about as bad lor for the eyes as can be imagined the flickering light from a coal gas jet Is but little better and even the electric light brilliant as it usually Is has an unsteadiness duo due to variations in power and a glare peculiarly trying to the delicate nerves of sight the new illuminant acetylene gas produces as nearly dearly perfect an artificial light as s has yet been found it gives it a clear white unwavering light very brilliant yet perfectly soft bott and so ao nearly like the rays 0 of f the sun that even colors appear as in daylight fortunately acetylene la Is very easily find and cheaply produced end and the simple apparatus necessary can be pu purchased and installed in any home at a very moderate cost and the acetylene ne can be piped to convenient points in the house bouse where a light Is needed it Is then lighted and extinguished and used exactly like common city gas acetylene Is 13 rapidly coming into common use ln in homes churches schools and institutions of all kinds liln fla and it Is reasonable to expect that as its use in the home increases there will be ba fewer detective eyes particularly among children poor eyesight and the many ills resulting will undoubtedly be much reduced by the use of this new illuminant |